You were talking goals, hence moving the goalposts. That's not what the thread was about. Both goals and assists are considered stats to most people.
When Matthews isn't scoring at 60+ goal pace, goals become very important to you. When Matthews is scoring at 60+ goal pace, assists become very important to you. The Leafs haven't lost a game since the 4 nations faceoff and Matthews is on an 8 game point streak - so you came and said he hasn't scored... which wasn't even true and then you moved them again and again until you found something to criticize.
You went from goals, to goals past a goaltender, to his goal celebration, and then playoff stats in different posts. Also known as moving the goalposts.